Xingxing.li: Created page with " RSB-4680 surport 3 display ports : eDP、LVDS、HDMI . Only two ports work at the same time . You can config Multi-Display to eDP + HDMI 、eDP + LVDS、LVDS + HDM..."

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Created page with " RSB-4680 surport 3 display ports : eDP、LVDS、HDMI . Only two ports work at the same time . You can config Multi-Display to eDP + HDMI 、eDP + LVDS、LVDS + HDM..."

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RSB-4680 surport 3 display ports : eDP、LVDS、HDMI . Only two ports work at the same time .

You can config Multi-Display to eDP + HDMI 、eDP + LVDS、LVDS + HDMI .

== Enter U-boot interrupt mode ==

Connect device to debug port, and open debug console. See more : [[How_to_debug|How_to_debug]].

Press "ctrl + c" key before power up the device, until get the following information on debug console : 
<pre>Hit any key to stop autoboot: 0
=> <INTERRUPT>
=></pre>

Then you can input the following cammand to config Multi-Display. 

== eDP + HDMI ==
<pre>setenv prmry_screen edp-1920x1080
setenv extend_screen hdmi-default
saveenv
reset
</pre>

 

== eDP + LVDS ==
<pre>setenv prmry_screen edp-1920x1080
setenv extend_screen lvds-g070vw01
saveenv
reset
</pre>

== LVDS + HDMI ==
<pre>setenv prmry_screen hdmi-default
setenv extend_screen lvds-g070vw01
saveenv
reset
</pre>

== Default Support Display ==

{| border="1" cellpadding="1" cellspacing="1"
|-
| '''Port'''
| '''RSB4680'''
| '''USM110'''
|-
| edp
| edp-1920x1200 edp-1920x1080 edp-1024x768
| edp-1920x1080 edp-1280x720 edp-1024x768 edp-720x480 edp-640x480
|-
| lvds
| lvds-g070vw01 lvds-idk1110wp lvds-g150xgel05 lvds-g215hvn01 lvds-p460hvn02
| NA
|-
| hdmi
| hdmi-default
| hdmi-default
|}

 '''NOTE : '''

1. The name of the panel must begin with "edp-"、"lvds-" or "hdmi-" .

And it can be found in "kernel/include/dt-bindings/display/screen-timing/{LCDNAME}.dtsi" like :

lvds_g070vw01: '''lvds-g070vw01'''

2. If there is no configuration, you will get default setting :

edp-default (edp-1920x1080) and hdmi-default as default setting.

3. Check your configuration in Terminal or debug console.
<pre>cat /proc/cmdline
... prmry_screen=edp-1920x1080 extend_screen=hdmi-default</pre>

RSB-4680 How to Config Multi-Display. - Revision history

Xingxing.li: Created page with " RSB-4680 surport 3 display ports : eDP、LVDS、HDMI . Only two ports work at the same time . You can config Multi-Display to eDP + HDMI 、eDP + LVDS、LVDS + HDM..."